Evidence for dark matter from rotation curves - Ten years later

Details Evidence for dark matter from rotation curves - Ten years later Evidence for dark matter from rotation curves - Ten years later

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..222..371r&link_type=abstract

In: After the first three minutes; Proceedings of the 1st Astrophysics Workshop, Univ. of Maryland, College Park, Oct. 15-17, 19

Astronomy and Astrophysics

Astrophysics

4

Cosmology, Dark Matter, Galactic Halos, Galactic Rotation, Universe, Dwarf Galaxies, Galactic Mass, Irregular Galaxies, Mass Distribution, Mass To Light Ratios, Spiral Galaxies

Scientific paper

During the past decade, observations have confirmed that rotation curves are generally flat or rising across the optical galaxies out to the limits of the neutral hydrogen. Regrettably, parameters of the dark halos can be evaluated only in terms of assumed mass distributions. However, it seems well established that dark matter forms an increasingly dominant component with decreasing galaxy luminosity. A major advance of the decade has been the observation that, in some gas-rich dwarf irregulars, the mass in dark matter exceeds that in luminous matter at virtually all radii. Interior to the final measured point in DDO 154, 90 percent of the mass is dark, and integral M/L not less than 75.

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